Proto Labs, Inc. (PRLB)
NYSE: PRLB · Fabricated Structural Metal Products · Maple Plain, MN · filing with the SEC since 2008
Grade6.7
◀ Past 7.8● Present 5.7▶ Future 6.9
Filings
236 filings since 2017 beside 273 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026Due nextLarge accelerated filer
10-K
Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends.
by Mar 1, 2027
10-Q
Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end.
by May 10, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 29 days after the quarter ended. The proxy statement was last filed Apr 8, 2026.
Filings a yearinsider forms included
4147507230415168
2026 counts to Nov 13, 2026.
Officer or director change (8-K item 5.02): 8 times in the last 36 months, the newest May 20, 2026.SEC letters: 3 in the last 36 months, the newest Dec 12, 2024.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
May 20, 2026
8-K items 5.02, 5.07, 9.01
Officer or director change; Shareholder vote · Current report
May 19, 2026
May 7, 2026
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
May 6, 2026
Oct 3, 2025
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
May 21, 2025
8-K items 5.02, 5.07, 7.01, 9.01
Officer or director change; Shareholder vote; Investor disclosure (Regulation FD) · Current report
May 20, 2025
40 of 236 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.